[TOC] ## 概述 生成 UUID ## 示例 ``` qDebug() << QUuid::createUuid().toString(QUuid::WithBraces); // {bd92419c-3041-461c-a6d7-90bdbe71d742} qDebug() << QUuid::createUuid().toString(QUuid::Id128);//4a7ebd4cb02341e3bc8053b8b81c8bfc qDebug() << QUuid::createUuid().toString(QUuid::WithoutBraces); // b02bc43f-393d-42a5-bb68-3484c3aeb1b7 ```